12012233312 has 24 divisors (see below), whose sum is σ = 23651611200. Its totient is φ = 6005474944.

The previous prime is 12012233287. The next prime is 12012233323. The reversal of 12012233312 is 21333221021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463514 + ... + 488742.

It is an arithmetic number, because the mean of its divisors is an integer number (985483800).

Almost surely, 2^12012233312 is an apocalyptic number.

It is an amenable number.

12012233312 is a deficient number, since it is larger than the sum of its proper divisors (11639377888).

12012233312 is a wasteful number, since it uses less digits than its factorization.

12012233312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40118 (or 40110 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12012233312 its reverse (21333221021), we get a palindrome (33345454333).

The spelling of 12012233312 in words is "twelve billion, twelve million, two hundred thirty-three thousand, three hundred twelve".